Core i7-9700K vs Core i9-9900

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i7-9700K vs Core i9-9900 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i7-9700K vs Core i9-9900: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-9700K

2018

Why buy it

✅Costs $38 less on MSRP ($385 MSRP vs $423 MSRP).

Trade-offs

❌Lower PassMark (14,397 vs 16,238).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌46.2% higher power demand at 95W vs 65W.
❌No boxed cooler included, unlike Core i9-9900.

Core i9-9900

2019

Why buy it

✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 65W instead of 95W, a 30W reduction.
✅Includes a boxed cooler (Yes), unlike Core i7-9700K.

Trade-offs

❌
9.9% HIGHER MSRP
$423 MSRPvs$385 MSRP

Quick Answers

So, is Core i9-9900 better than Core i7-9700K?

Yes. Core i9-9900 is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data, 12.8% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i9-9900 is the better pick. According to our tests, it delivers 0.1% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-9900 is the stronger fit. You are getting 12.8% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-9900 is the better buy right now. Core i9-9900 comes in 9.9% more expensive on MSRP at $423 MSRP versus $385 MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data. It is also 2.7% better value on MSRP (38.4 vs 37.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i9-9900 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2018), 33.3% larger total L3 cache (16 MB vs 12 MB), and more multi-core headroom with 8 cores / 16 threads instead of 8/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-9700K vs Core i9-9900 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Core i9-9900

The Core i9-9900 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.1 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 16,238 points. Launch price was $439.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Core i9-9900's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5 GHz on the Core i9-9900 — a 2% clock advantage for the Core i9-9900 (base: 3.6 GHz vs 3.1 GHz). Both are built on the Coffee Lake-R (2018−2019) architecture using a 14 nm process. In PassMark, the Core i7-9700K scores 14,397 against the Core i9-9900's 16,238 — a 12% lead for the Core i9-9900. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Core i9-9900.

Feature	Core i7-9700K	Core i9-9900
Cores / Threads	8 / 8	8 / 16
Boost Clock	4.9 GHz	5 GHz+2%
Base Clock	3.6 GHz+16%	3.1 GHz
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Coffee Lake-R (2018−2019)
PassMark	14,397	16,238+13%
Cinebench R23 Multi	—	7,619
Geekbench 6 Single	—	1,637
Geekbench 6 Multi	—	7,619

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Memory & Platform

Both processors use the LGA1151 socket with PCIe 3.0. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Intel 300 series (Core i7-9700K) and Z390,B365 (Core i9-9900).

Feature	Core i7-9700K	Core i9-9900
Socket	LGA1151	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	DDR4-2666
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and UHD Graphics 630 (Core i9-9900) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

Feature	Core i7-9700K	Core i9-9900
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	UHD Graphics 630
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	—

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Value Analysis

At launch, the Core i7-9700K was priced at $385, while the Core i9-9900 came in at $423. On launch pricing ($385 vs $423), Core i7-9700K was $38 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 38.4 pts/$ for the Core i9-9900 — making the Core i9-9900 the 2.6% better value option.

Feature	Core i7-9700K	Core i9-9900
MSRP	$385-9%	$423
Performance per Dollar	37.4	38.4+3%
Release Date	2018	2019

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